LeeBoy 8510E - Two-Speed Hydraulic Motors

5-26 LeeBoy Model 8510E Conveyor Paver
Maintenance
8. Install torque hub in proper position to align with the
drive motor.
9. Place thread-locking adhesive on torque hub bolts
and torque bolts (see Torque Specications in
Section 2).
10. Check O-Ring on the drive motor and replace if
worn.
11. Place thread-locking adhesive on sprocket bolts
and torque bolts. (See Torque Specications in
Section 2)
12. Reinstall rear track roller if previously removed.
13. Fill torque hub with oil. (Page 5-7)
14. Lower paver to ground and reconnect track.
NOTE: Removing pad from chain where master pin
is placed will make reconnecting track easier
from top side at rear of the idler.
15. Retighten track tension valve.
16. Lower conveyor and bolt hopper wings.
17. Start paver and check for any leaks with engine
running.
DO NOT use your bare hands when
checking for hydraulic leaks as serious injury can
result from an oil leak under high pressure. Always
wear safety glasses and protective clothing.
Stop the engine immediately if any
hydraulic leak is noted. DO NOT start the engine
until the leak has been repaired.
Two-Speed Hydraulic Motors
1. Move paver onto a ramp where you can access the
undercarriage.
2. Disconnect, label and plug ttings on hydraulic
hoses to the hydraulic motors. (Figure 5-31)
2-Speed
Motors
Figure 5-31. Two-Speed Hydraulic Motors
3. Place blocks sufcient to support the hydraulic
motors underneath them.
4. Remove the two screws and lock washers attaching
the hydraulic motor to the torque hub and carefully
separate motor from the torque hub.
5. Remove the O-Ring and drain hydraulic oil from the
motor. Discard or repair the motor as appropriate.
6. Lubricate a new O-ring with hydraulic oil and install
onto the torque hub.
7. Reattach new or rebuilt hydraulic motor to torque
hub and torque screws to 120 ft. lbs. (163 N•
8. Reconnect hydraulic hoses.
9. Start the engine and let machine run for 10 minutes
to work air out of the system.
10. Check for any leaks.